Using ManagedJbpmContext in TreeNode impls of rich:tree
fzaker Aug 23, 2007 12:19 PMIn my seam application, I have a rich:tree and some TreeNode implementations:
jsf code:
<rich:tree id="allTasksTree" switchType="ajax" style="width:300px" value="#{tasksRootNode}" var="item" nodeFace="#{item.class.name}"> <rich:treeNode type="org.jbpm.graph.def.ProcessDefinition"> <h:outputText value="#{item.name}" /> </rich:treeNode> <rich:treeNode type="org.jbpm.taskmgmt.def.Task"> <h:outputText value="#{item.name}" /> </rich:treeNode> <rich:treeNode type="org.jbpm.taskmgmt.exe.TaskInstance"> <h:outputText value="#{item.toString}" /> </rich:treeNode> </rich:tree>
TasksRootNode:
@Stateful @Name("tasksRootNode") public class TasksRootNode implements TreeNode { private void InitProcessNodesMap() { GraphSession graphSession = ManagedJbpmContext.instance().getGraphSession(); ... } ... }
TaskNode:
@Stateful public class TaskNode implements TreeNode { ... private void InitTaskInstanceNodesMap() { GraphSession graphSession = ManagedJbpmContext.instance().getGraphSession(); ... } ... }
The call to ManagedJbpmContext in RootTasksNode class is run perfectly with no problem.
But execution of TaskNode.InitTaskInstanceNodesMap raises the following (Adding @Transactional or @Interceptors(...) to TaskNode did not help).
Any idea? I doubt if having TreeNode implementations as SFSB is a good solution. Any idea?
Hibernate: select processdef0_.ID_ as ID1_14_, processdef0_.NAME_ as NAME2_14_, processdef0_.VERSION_ as VERSION3_14_, processdef0_.ISTERMINATIONIMPLICIT_ as ISTERMIN4_14_, processdef0_.STARTSTATE_ as STARTSTATE5_14_ from JBPM_PROCESSDEFINITION processdef0_ order by processdef0_.NAME_, processdef0_.VERSION_ desc 08:07:53,515 ERROR [ExceptionFilter] uncaught exception javax.servlet.ServletException: JbpmContext may only be used inside a transaction at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685) at java.lang.Thread.run(Thread.java:595) 08:07:53,515 ERROR [ExceptionFilter] exception root cause java.lang.IllegalStateException: JbpmContext may only be used inside a transaction at org.jboss.seam.core.ManagedJbpmContext.getJbpmContext(ManagedJbpmContext.java:75) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:20) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:123) at org.jboss.seam.Component.callComponentMethod(Component.java:1834) at org.jboss.seam.Component.unwrap(Component.java:1860) at org.jboss.seam.Component.getInstance(Component.java:1657) at org.jboss.seam.Component.getInstance(Component.java:1622) at org.jboss.seam.Component.getInstance(Component.java:1599) at org.jboss.seam.Component.getInstance(Component.java:1594) at org.jboss.seam.core.ManagedJbpmContext.instance(ManagedJbpmContext.java:117) at org.darkoob.dtm.task.treeNodes.TaskNode.InitTaskInstanceNodesMap(TaskNode.java:71) at org.darkoob.dtm.task.treeNodes.TaskNode.getChildren(TaskNode.java:88) at org.richfaces.component.TreeDataModel.walk(TreeDataModel.java:79) at org.richfaces.component.TreeDataModel.walkModel(TreeDataModel.java:217) at org.richfaces.component.CacheableTreeDataModel.walkModel(CacheableTreeDataModel.java:92) at org.richfaces.component.UITree.walkModel(UITree.java:299) at org.richfaces.component.state.TreeState.visitNodes(TreeState.java:286) at org.richfaces.component.state.TreeState.expandNode(TreeState.java:367) at org.richfaces.component.state.events.ExpandNodeCommandEvent.execute(ExpandNodeCommandEvent.java:47) at org.richfaces.component.state.events.TreeStateCommandEvent.processListener(TreeStateCommandEvent.java:61) at org.richfaces.component.UITree.broadcast(UITree.java:449) at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:180) at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:158) at org.ajax4jsf.framework.ajax.AjaxViewRoot.processApplication(AjaxViewRoot.java:329) at org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:343) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685) at java.lang.Thread.run(Thread.java:595) 08:07:53,546 ERROR [DebugPageHandler] redirecting to debug page java.lang.IllegalStateException: JbpmContext may only be used inside a transaction at org.jboss.seam.core.ManagedJbpmContext.getJbpmContext(ManagedJbpmContext.java:75) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:20) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:123) at org.jboss.seam.Component.callComponentMethod(Component.java:1834) at org.jboss.seam.Component.unwrap(Component.java:1860) at org.jboss.seam.Component.getInstance(Component.java:1657) at org.jboss.seam.Component.getInstance(Component.java:1622) at org.jboss.seam.Component.getInstance(Component.java:1599) at org.jboss.seam.Component.getInstance(Component.java:1594) at org.jboss.seam.core.ManagedJbpmContext.instance(ManagedJbpmContext.java:117) at org.darkoob.dtm.task.treeNodes.TaskNode.InitTaskInstanceNodesMap(TaskNode.java:71) at org.darkoob.dtm.task.treeNodes.TaskNode.getChildren(TaskNode.java:88) at org.richfaces.component.TreeDataModel.walk(TreeDataModel.java:79) at org.richfaces.component.TreeDataModel.walkModel(TreeDataModel.java:217) at org.richfaces.component.CacheableTreeDataModel.walkModel(CacheableTreeDataModel.java:92) at org.richfaces.component.UITree.walkModel(UITree.java:299) at org.richfaces.component.state.TreeState.visitNodes(TreeState.java:286) at org.richfaces.component.state.TreeState.expandNode(TreeState.java:367) at org.richfaces.component.state.events.ExpandNodeCommandEvent.execute(ExpandNodeCommandEvent.java:47) at org.richfaces.component.state.events.TreeStateCommandEvent.processListener(TreeStateCommandEvent.java:61) at org.richfaces.component.UITree.broadcast(UITree.java:449) at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:180) at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:158) at org.ajax4jsf.framework.ajax.AjaxViewRoot.processApplication(AjaxViewRoot.java:329) at org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:343) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:96) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:220) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685) at java.lang.Thread.run(Thread.java:595)